(19)
(11) EP 0 572 445 A1

(12)

(43) Date of publication:
08.12.1993 Bulletin 1993/49

(21) Application number: 92904035.0

(22) Date of filing: 12.02.1992
(51) International Patent Classification (IPC): 
C23C 18/ 08( . )
C23C 18/ 14( . )
A61M 16/ 00( . )
H05K 3/ 10( . )
(86) International application number:
PCT/CA1992/000060
(87) International publication number:
WO 1992/014505 (03.09.1992 Gazette 1992/23)
(84) Designated Contracting States:
AT BE CH DE DK ES FR GB GR IT LI LU MC NL SE

(30) Priority: 19.02.1991 GB 19910003419

(60) Divisional application:
95110684.8 / 0691135

(71) Applicant: UNIVERSITY OF MANITOBA
Winnipeg Manitoba R3M OJ2 (CA)

(72) Inventor:
  • YOUNES, Magdy
    Winnipeg, Mannitoba R3M 0J2 (CA)

(74) Representative: Laight, Martin Harvey, et al 
W.H. Beck, Greener & Co. 7 Stone Buildings Lincoln's Inn
London WC2A 3SZ
London WC2A 3SZ (GB)

   


(54) PISTON-BASED VENTILATOR DESIGN AND OPERATION